I was very disappointed that a +_$25.00 kit for a fairly complicated pump came with NO instructions. No diagram - No nothing! This is not a very simple pump and it took me a few tries to work it out. For those who are less handy, I think it would be almost impossible. A web search provided nothing either - other than the information that others had great difficulty with this same problem.

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good news, bad newsby Craig from Erie, Pennsylvania on June 22, 2011

this kit has everything you need to rebuild the pump except istructions. Looks simple enough, however many of the parts look the same and you can easily put the small valves in backwards as they are prone to falling out when you split the pump case open. IF you are mechanically inclined, by all means by this kit. Disassemble the pump carefully, assemble the pump carefully or the large pump diaphrams can fold over inside.